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  FootwearUSPTO Application #: 20070051020Title: Footwear Abstract: A sole 12 of shoe 10 has a thickened portion defined at an area thereof where a base of toe of user's foot is to be positioned. An engagement is member 30 adapted for allowing a rotating adapter 20 to be releasably engaged therewith. In an inner surface of the shoe 10, there are provided: a slope inclined, as indicated by the line LA, such that a side thereof near to the heel side 16 is low; and a slope inclined, as indicated by the line LB, such that one side thereof on which a big toe of user's foot is to be positioned is lower than another side thereof on which a small toe of user's foot is to be positioned. The sole 12 is formed with a sloped surface 18 which extends from an area of the sole at which the base of toe of user's foot is to be positioned, in a direction toward a toe side 14. (end of abstract) Agent: Snider & Associates - Washington, DC, US Inventors: Daichi Tajima, Yoshinori Tajima, Takanobu Yamamuro USPTO Applicaton #: 20070051020 - Class: 036132000 (USPTO) Related Patent Categories: Boots, Shoes, And Leggings, Boots And Shoes, Occupational Or Athletic Shoe (e.g., Roof Climbing, Gardening, Etc.), Athletic Shoe Or Attachment Therefor, Attachment (e.g., Weight For Shoe, Etc.) The Patent Description & Claims data below is from USPTO Patent Application 20070051020. Brief Patent Description - Full Patent Description - Patent Application Claims
TECHNICAL FIELD [0001] The present invention relates to a footwear pertaining to athletic shoes. More particularly, the invention is directed to a footwear suited for enhancing and improving an athletic ability and body function of human. BACKGROUND ARTS [0002] A muscle of a human leg portion is one of the largest muscles in the human body. It is reported that only half of such human leg muscle is used for most of daily activities. In particular, in the case of a person having few opportunities for exercises due to deskwork or the like, a muscle in the inside of his or her thigh portion or a muscle in his or her buttocks portion is prone to wane and it is difficult to strengthen those particular muscle portions. Solution to such problem is attainable by providing an effective way to enhance or stretch the muscles, sufficient to improve the body function and athletic ability. For example, the under-listed prior art literature 1 discloses a footwear for physical exercise purpose, which has a particular sole of such a structure that a forward side (on the toe side) thereof is greater in height than a backward side (on the heel side). Specifically, according to that prior art, the insole of shoe is so formed to provide a downwardly sloped surface which becomes gradually lower as it proceeds from the forward portion thereof to the backward portion thereof. This arrangement of shoes gives a user walking therewith such an experience as if he or she walked on an uphill road generally identical in inclination angle to the sloped insole, with his or her heel portions being kept in close proximity to a ground surface, thereby providing a proper exercise effect to the user. [0003] The prior art literature 1: Japanese Laid-Open Patent Publication No. Hei 9-164002 DISCLOSURE OF THE INVENTION [Problems to be Solved by the Invention] [0004] The foregoing conventional footwear is certainly effective in improving and enhancing muscles in the backward side of user's leg portion, but entirely ineffective in enhancing and stretching muscles in other parts of the user's body than that leg portion (e.g. muscles in the abdominal portion). Further, as stated above, this sort of footwear inherently includes the high toe region and the low heel region, which in fact makes it difficult for a user to walk in a normal way. That is, basically sated, for the user to walk in a normal way, his or her weight must be shifted in the following orders: the heel, the base of toe, and the tiptoe. But, such shift of weight is not smoothly achieved by the foregoing prior-art shoe insole structure having the high toe region and the low heel region, as a result of which, it is difficult to make such conventional footwear adaptable for use in sports and the like which requires a quick footwork. [0005] With the above-stated drawbacks in view, it is a purpose of the present invention to provide an improved footwear which is not only suited for improving and enhancing a sports ability required principally for human leg portions, but also suited for preventing a poor bodily functions caused by a lopsided weight in human foot portions. [Means for Solving the Problems] [0006] In order to achieve the foregoing purpose, a footwear in accordance with the present invention is characterized by comprising: a first sloped surface defined inside of the footwear, the first sloped surface being inclined such that one side thereof on which a base of toe of human foot is to be positioned is higher than another side thereof near to a heel side of the footwear; a second sloped surface defined in a sole of the footwear, the second sloped surface extending from an area of said sole where the base of toe of human foot is to be positioned, in a direction toward a toe side of the footwear; and a third sloped surface defined inside of the footwear, the third sloped surface being inclined such that one side thereof on which a big toe of human foot is to be positioned is lower than another side thereof on which a small toe of human foot is to be positioned. Further, the footwear is characterized in that at least one functional equipment is provided to the sole of the footwear. Another aspect of the present invention is characterized by comprising: a first sloped surface defined inside of the footwear, the first sloped surface being inclined such that one side thereof on which a base of toe of human foot is to be positioned is higher than another side thereof near to a heel side of the footwear; a second sloped surface defined in a sole of the footwear, the second sloped surface extending from an area of the sole on which the base of toe of human foot is to be positioned, in a direction toward a toe side of the footwear; and at least one functional equipment provided to the sole of the footwear. Still another aspect of the present invention is characterized in that at least one functional equipment is provided to a sole of the footwear, and that the functional equipment is one selected from the group consisting of: rotatable circular plates; rotatable balls; springs; edges; and slidable plates. It should be noted that the above-stated purpose, features and advantages of the present invention as well as other purposes, features and advantages of the invention will become apparent from reading of the specific descriptions hereinafter, with reference to the annexed drawings. [Effects of the Invention] [0007] In accordance with the present invention, there is basically provided a footwear comprising: a first sloped surface defined inside of the footwear, the first sloped surface being inclined such that one side thereof on which a base of toe of human foot is to be positioned is higher than another side thereof near to a heel side of the footwear; and a second sloped surface defined in a sole of the footwear, the second sloped surface extending from an area of the sole where the base of toe of human foot is to be positioned, in a direction toward a toe side of the footwear. In such footwear, a third sloped surface may be defined inside of the footwear, the third sloped surface being inclined such that one side thereof on which a big toe of human foot is to be positioned is lower than another side thereof on which a small toe of human foot is to be positioned. Alternatively, either solely or in combination with that third sloped surface, a functional equipment may be releasably connected with a potion of the sole of footwear at which the base of toe of human foot is to be positioned. Such arrangement of footwear is advantageous in that a user can keep his or her appropriate posture and enhance his or her sports ability, and that it is possible to make any effective use of the footwear to not only prevent development of various symptoms due to a lopsided weight in the foot portions, but also provide symptomatic improvement in that respect. Moreover, in the case where the functional equipment is provided to the second sloped surface, the user can simply shift his or her weight forwards in a direction from the heel side to the toe side, to thereby permit use of the functional equipment, or conversely, in a direction reverse to such forward weight shift, the user can shift his or her weight so as to avoid use of the functional equipment. Additionally, the use of such functional equipment enables the user to enhance and stretch muscles in his or her leg portions as well as muscles in his or her other body portions. BRIEF DESCRIPTION OF THE DRAWINGS [0008] The FIG. 1 is a diagram illustrating a structure of Embodiment 1 of the present invention. [0009] The FIG. 2 is a diagram for showing how the foregoing embodiment is used. [0010] The FIG. 3 is a diagram for showing how the foregoing embodiment is used. [0011] The FIG. 4 is a diagram illustrating principal parts in each of another alternative embodiments of the present invention. DESCRIPTION ON REFERENCE NUMERALS IN THE DRAWINGS [0012] 10: shoe [0013] 12: shoe sole [0014] 12A: recessed portion [0015] 14: toe side [0016] 16: heel side Continue reading... Full patent description for Footwear Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Footwear patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Footwear or other areas of interest. ### Previous Patent Application: Apparatus facilitating walking in ski boots. Next Patent Application: Modular hyrdaulic power mechanism Industry Class: Boots, shoes, and leggings ### FreshPatents.com Support Thank you for viewing the Footwear patent info. IP-related news and info Results in 8.4477 seconds Other interesting Feshpatents.com categories: Canon USA , Celera Genomics , Cephalon, Inc. , Cingular Wireless , Clorox , Colgate-Palmolive , Corning , Cymer , |
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